CN103603945A - Sawing gearbox - Google Patents
Sawing gearbox Download PDFInfo
- Publication number
- CN103603945A CN103603945A CN201310628090.4A CN201310628090A CN103603945A CN 103603945 A CN103603945 A CN 103603945A CN 201310628090 A CN201310628090 A CN 201310628090A CN 103603945 A CN103603945 A CN 103603945A
- Authority
- CN
- China
- Prior art keywords
- gear
- shaft
- sawing
- gear shaft
- axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/12—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of drives for circular saw blades
- B23D47/123—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of drives for circular saw blades acting on the disc of the saw blade
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/20—Adjusting or stopping working-spindles in a predetermined position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/54—Arrangements or details not restricted to group B23Q5/02 or group B23Q5/22 respectively, e.g. control handles
- B23Q5/56—Preventing backlash
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gear Transmission (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to a sawing gearbox. The sawing gearbox comprises a box body, wherein a working cavity is arranged inside the box body, an input hole used for fixing an input gear shaft is formed in the left end face of the box body, an output hole used for fixing an output gear shaft is formed in the right end face of the box body, the input gear shaft is arranged on the lower portion of the box body, a speed reducer is arranged above the input gear shaft, the output gear shaft is arranged above the speed reducer, and a brake device is arranged above the output gear shaft. The sawing gearbox has the advantages that the sawing accuracy is improved, cost is reduced greatly, the sawing gearbox is applicable to heavy cutting due to the adoption of a spiral gear transmission structure, the accuracy is stable, and the sawing gearbox is reliable, durable, high in overload bearing capacity, low in energy consumption, small in vibration and low in noise.
Description
Technical field
The present invention relates to sawing machine field, relate in particular to a kind of sawing gear-box for heavy cutting.
Background technique
There is gap in the gear in sawing machine gear-box at present between Design and manufacture middle gear, after use in tooth can cause along with the increase of service time distortion, thereby to the gap between gear is increased, cause between gear transmission unstable, the cutting rate of saw blade and cutting precision reduce, and reduce the working life of gear.
Saw gear-box motor straight for heavy cutting connects output shaft in succession at present, cause like this ability of saw blade cutting metal entirely to lean on the power of motor, very high to the requirement of motor, thereby greatly improved cost, and saw blade needs very large torsion in heavy cutting, when stopping cutting, saw blade can not immediately stop greatly, and output shaft bears whole power because of inertia.
Summary of the invention
The object of this invention is to provide sawing gear-box, to overcome prior art above shortcomings.
The object of the invention is to be achieved through the following technical solutions:
A kind of sawing gear-box, comprise casing, the inside of described casing is provided with active chamber, the left side of described casing is provided with the input hole passing for input gear axle, and the right side of casing is provided with the delivery outlet passing for output gear shaft, the middle part of described active chamber is provided with for the fixing fixed plate of output gear shaft, described fixed plate is provided with the functional hole three passing for output gear shaft, in described functional hole three, be provided with the fixedly bearing three of output gear shaft, the bottom of described casing is provided with input gear axle, the top of described input gear axle is provided with speed reducer, the top of described speed reducer is provided with output gear shaft, the top of described output gear shaft is provided with braking device, and described braking device comprises brake axle, described brake axle is located at the middle part of braking device, and the axial left end of described brake axle is provided with control gear, and the axial right-hand member of brake axle is provided with brake gear.
Further, described speed reducer comprises intermediate gear shaft, the axial left end of described intermediate gear shaft is provided with the driven gear with the engagement of input gear axle, and the axial right-hand member of intermediate gear shaft is provided with the outer teeth one with output gear shaft engagement, the sidewall of described outer teeth one is provided with the jack shaft clutch gear with output gear shaft engagement, selectable, described speed reducer comprises reducing gear wheel shaft, described reducing gear wheel shaft is located at the bottom of speed reducer, the axial left end of described reducing gear wheel shaft is provided with the reduction gear with the engagement of input gear axle, and the axial right-hand member of reducing gear wheel shaft is provided with the outer teeth two with driven gear engagement, described driven gear is located on the axial left end of intermediate gear shaft, the axial right-hand member of described intermediate gear shaft is provided with the outer teeth one with output gear shaft engagement, the sidewall of described outer teeth one is provided with jack shaft clutch gear, described fixed plate is provided with the functional hole five passing for reducing gear wheel shaft, the inside of described functional hole five is provided with the bearing five matching with input gear axle.
Further, described jack shaft clutch gear is fixed on intermediate gear shaft by expansion sleeve.
Further, described fixed plate is provided with the functional hole one passing for input gear axle, is provided with the bearing one matching with input gear axle in described functional hole one.
Further, described fixed plate is provided with the functional hole two passing for intermediate gear shaft, is provided with the bearing two matching with intermediate gear shaft in described functional hole two.
Further, described fixed plate is provided with the functional hole four passing for brake gear shaft, is provided with the bearing four matching with fixing brake gear shaft in described functional hole four.
Further, described control gear is magnetic powder clutch.
Further, the groove of the gear in described gear-box and gear shaft is spiral groove.
Beneficial effect of the present invention is:
1, sawing gear-box has adopted the principle of speed reducer to take turns by multiple sets of teeth the adjusting that the form cooperatively interacting with multiple sets of teeth wheel shaft realizes speed, reduces rotating speed, thereby improves torsion, increases the active force of saw blade, has reduced the requirement to motor;
2, by be provided with compensation gear on gear shaft, the supervision between compensation gear energy auto-compensation gear, makes to have 0 gap between gear, and gear transmission is stable, thereby greatly improves the cutting precision of saw blade, has reduced gear-driven noise;
Fluctuation when the magnetic powder clutched braking device that 3, the present invention is provided with can reduce saw blade sawing, the operating mode of sawing is more perfect, when machine stops, the inertia of machine run is very large, braking device, to output shaft opposite force, stops saw blade in time, plays the effect of protection output shaft;
4, the present invention has extended the working life of each part, has improved sawing precision, has greatly reduced cost, adopts helical gear drive structure, is applicable to heavy cutting, and stable accuracy and reliability and durability is born overload capacity high, consumes energy low, vibrates littlely, and noise is low.
Accompanying drawing explanation
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 is the structural representation of sawing gear-box described in the embodiment of the present invention one;
Fig. 2 is the gear structure schematic diagram in sawing gear-box described in the embodiment of the present invention one;
Fig. 3 is the structural representation of jack shaft clutch gear described in the embodiment of the present invention;
Fig. 4 is the structural representation of sawing gear-box described in the embodiment of the present invention two;
Fig. 5 is the gear structure schematic diagram in sawing gear-box described in the embodiment of the present invention two.
In figure:
1, gear-box; 2, casing; 3, active chamber; 4, fixed plate; 5, input gear axle; 6, speed reducer; 7, output gear shaft; 8, braking device; 9, driven gear; 10, intermediate gear shaft; 11, outer teeth one; 12, jack shaft clutch gear; 13, expansion sleeve; 14, brake axle; 15, brake gear; 16, control gear; 17, functional hole one; 18, bearing one; 19, functional hole two; 20, bearing two; 21, functional hole three; 22, bearing three; 23, functional hole four; 24, bearing four; 25, reduction gear; 26, reducing gear wheel shaft; 27, outer teeth two; 28, functional hole five; 29, bearing five; 30, input hole; 31, delivery outlet.
Embodiment
As Figure 1-3, sawing gear-box described in the embodiment of the present invention one, comprise casing 2, the inside of described casing 2 is provided with the active chamber 3 for working gear, the middle part of described active chamber 3 is provided with fixed plate 4, the bottom of described fixed plate 4 is provided with the functional hole 1 passing through for input gear axle 5, in described functional hole 1, be provided with the bearing 1 matching with input gear axle 5, the position of the corresponding intermediate gear shaft 10 in top of described functional hole 1 is provided with the functional hole 2 19 passing for intermediate gear shaft 10, in described functional hole 2 19, be provided with the bearing 2 20 matching with intermediate gear shaft 10, the top of described functional hole 2 19 and output gear shaft 7 corresponding positions are provided with the functional hole 3 21 passing for output gear shaft 7, in described functional hole 3 21, be provided with the bearing 3 22 matching with output gear shaft 7, the top of described functional hole 3 21 and brake axle 14 corresponding positions are provided with the functional hole 4 23 passing for brake axle 14, in described functional hole 4 23, be provided with the bearing 4 24 matching with fixing brake gear shaft 14.
The left side of described casing 2 is provided with the input hole 30 passing for input gear axle 5, motor connecting end for input gear axle 5 is connected with motor through input hole 30, the right side of described casing 2 is provided with the delivery outlet 31 passing for output gear shaft 7, for output gear shaft 7, through delivery outlet 31, be connected with saw blade, the bottom of described casing 2 is provided with input gear axle 5, the top of described input gear axle 5 is provided with speed reducer 6, thereby power is slowed down and is increased moment of torsion by speed reducer 6, to the active force of saw blade is increased, the top of described speed reducer 6 is provided with output gear shaft 7, the top of described output gear shaft 7 is provided with braking device 8.Described speed reducer 6 comprises intermediate gear shaft 10, the axial left side of described intermediate gear shaft 10 is provided with the input shaft driven gear 9 with 5 engagements of input gear axle, and the axial right side of countershaft-gear axle is provided with the outer teeth 1 with output gear shaft 7 engagements, on the sidewall of described outer teeth 1, laminating is fixed with jack shaft clutch gear 12, described jack shaft clutch gear 12 is fixed on intermediate gear shaft 10 by expansion sleeve 13, by 12 compensation of jack shaft clutch gear, can make intermediate gear shaft 10 and the engagement of output gear shaft 7 realize 0 gap, gear transmission is steady, to making, sawing operating mode is more steady, perfect.
Described braking device 8 comprises brake axle 14, brake gear 15 and control gear 16, described brake axle 14 is located at the middle part of braking device 8, the left end of described brake axle 14 connects control gear 16, and the right-hand member of brake axle 14 is fixed with brake gear 15, described control gear 16 is magnetic powder clutch, and when machine is worked, brake gear 15 can be to 7 one reaction forces of output gear shaft, to making, saw blade fluctuation is little, more steady; When machine stops, the inertia of machine run is very large, and braking device 8 can make saw blade stop immediately.
The gear of described gear-box 1 inside and the groove of gear shaft are spiral groove, adopt helical gear drive structure, are applicable to heavy cutting, and stable accuracy and reliability and durability is born overload capacity high, consumes energy low, vibrates little.
As in Figure 3-5, the structure of the sawing gear-box described in the embodiment of the present invention two is except following change, and all the other are all identical with embodiment one:
Described speed reducer 6 comprises reducing gear wheel shaft 26, described reducing gear wheel shaft 26 is located at the bottom of speed reducer 6, the axial left end of described reducing gear wheel shaft 26 is provided with the reduction gear 25 with 5 engagements of input gear axle, and the axial right-hand member of reducing gear wheel shaft 26 is provided with the outer teeth 2 27 with counter shaft driven gear 9 engagements, described counter shaft driven gear 9 is fixed on the axial left end of intermediate gear shaft 10, the axial right-hand member of described intermediate gear shaft 10 is provided with the outer teeth 1 with output gear shaft 7 engagements, on the sidewall of described outer teeth 1, be fitted and connected jack shaft clutch gear 12, described outer teeth 1 mesh with output gear shaft 7 with jack shaft clutch gear 12 simultaneously, described jack shaft clutch gear 12 is fixed on middle gear shaft by expansion sleeve 13, jack shaft clutch gear 12 with intermediate gear shaft 10 by being connected without key, thereby the gap of auto-compensation intermediate gear shaft 10 and output gear shaft 7 engagements, can make intermediate gear shaft 10 and the engagement of output gear shaft 7 realize zero clearance, to making, sawing operating mode is more steady, perfect.
The position corresponding with reducing gear wheel shaft 26, the top of described functional hole 1 is provided with the functional hole 5 28 passing for reducing gear wheel shaft 26, in functional hole 5 28, be fixed with the bearing 5 29 coordinating with reducing gear wheel shaft 26, the position corresponding with intermediate gear shaft 10, the top of described functional hole 5 28 is provided with the functional hole 2 19 passing for intermediate gear shaft 10.
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but do any variation in its shape or structure; every have identical with a application or akin technological scheme, within all dropping on protection scope of the present invention.
Claims (10)
1. a sawing gear-box, comprise casing (2), described casing (2) inside is provided with active chamber (3), described casing (2) left side is provided with the input hole (30) passing for input gear axle (5), casing (2) right side is provided with the delivery outlet (31) passing for output gear shaft (7), it is characterized in that: the middle part of described active chamber (3) is provided with for the fixing fixed plate (4) of output gear shaft (7), described fixed plate (4) inside is provided with the functional hole three (21) passing for output gear shaft (7), described functional hole three (21) inside are provided with the fixedly bearing three (22) of output gear shaft (7), described casing (2) bottom is provided with input gear axle (5), described input gear axle (5) top is provided with speed reducer (6), described speed reducer (6) top is provided with output gear shaft (7), described output gear shaft (7) top is provided with braking device (8), described braking device (8) comprises brake axle (14), described brake axle (14) is located at braking device (8) middle part, the axial left end of described brake axle (14) is provided with control gear (16) and the axial right-hand member of brake axle (14) is provided with brake gear (15).
2. sawing gear-box according to claim 1, it is characterized in that: described speed reducer (6) comprises intermediate gear shaft (10), the axial left end of described intermediate gear shaft (10) is provided with driven gear (9) and the axial right-hand member of intermediate gear shaft (10) of input gear axle (5) engagement and is provided with the outer teeth one (11) that mesh with output gear shaft (7), and described outer teeth one (11) sidewall is provided with the jack shaft clutch gear (12) with output gear shaft (7) engagement.
3. sawing gear-box according to claim 1, it is characterized in that: described speed reducer (6) comprises reducing gear wheel shaft (26), described reducing gear wheel shaft (26) is located at speed reducer (6) bottom, described reducing gear wheel shaft (26) axially left end is provided with the reduction gear (25) meshing with input gear axle (5), and reducing gear wheel shaft (26) axially right-hand member is provided with the outer teeth two (27) that mesh with driven gear (9), described driven gear (9) is located on the axial left end of intermediate gear shaft (10), the axial right-hand member of described intermediate gear shaft (10) is provided with the outer teeth one (11) with output gear shaft (7) engagement, the sidewall of described outer teeth one (11) is provided with jack shaft clutch gear (12).
4. according to the sawing gear-box described in claim 2 or 3, it is characterized in that: described jack shaft clutch gear (12) is fixed on intermediate gear shaft (10) by expansion sleeve (13).
5. sawing gear-box according to claim 4, it is characterized in that: described fixed plate (4) is provided with the functional hole one (17) passing for input gear axle (5), and described functional hole one (17) inside is provided with the bearing one (18) matching with input gear axle (5).
6. sawing gear-box according to claim 5, it is characterized in that: described fixed plate (4) is provided with the functional hole two (19) passing for intermediate gear shaft (10), and the inside of described functional hole two (19) is provided with the bearing two (20) matching with intermediate gear shaft (10).
7. sawing gear-box according to claim 6, it is characterized in that: described fixed plate (4) is provided with the functional hole four (23) passing for brake gear shaft (14), the inside of described functional hole four (23) is provided with the bearing four (24) matching with fixing brake gear shaft (14).
8. sawing gear-box according to claim 7, it is characterized in that: described fixed plate (4) is provided with the functional hole five (28) passing for reducing gear wheel shaft (26), and the inside of described functional hole five (28) is provided with the bearing five (29) matching with input gear axle (5).
9. sawing gear-box according to claim 8, is characterized in that: the gear in described gear-box (1) and the groove of gear shaft are spiral groove.
10. sawing gear-box according to claim 9, is characterized in that: described control gear (16) is magnetic powder clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310628090.4A CN103603945A (en) | 2013-11-28 | 2013-11-28 | Sawing gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310628090.4A CN103603945A (en) | 2013-11-28 | 2013-11-28 | Sawing gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103603945A true CN103603945A (en) | 2014-02-26 |
Family
ID=50122193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310628090.4A Pending CN103603945A (en) | 2013-11-28 | 2013-11-28 | Sawing gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103603945A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014751A (en) * | 2015-06-03 | 2015-11-04 | 朱德金 | Rotating-shaft high-torsion-resistance wood cutting machine |
| CN107626975A (en) * | 2017-09-13 | 2018-01-26 | 东莞市晋诚机械有限公司 | A kind of bottom-up sawing machine in sawing direction |
| CN109048445A (en) * | 2018-10-10 | 2018-12-21 | 浙江富冈机床有限公司 | Novel circular saw head brake structure |
| CN114273719A (en) * | 2022-01-27 | 2022-04-05 | 福建恒而达新材料股份有限公司 | Circular sawing machine and machine head device thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2522569B3 (en) * | 1982-03-03 | 1985-02-15 | Tostain Jacques | |
| KR200424644Y1 (en) * | 2006-06-07 | 2006-08-25 | 델타기계(주) | Backlash exclude device of board cutting circularsaw machine gear box |
| CN101799060A (en) * | 2010-03-08 | 2010-08-11 | 张家港金凯达机械有限公司 | Gear transmission device |
| CN102825335A (en) * | 2012-09-13 | 2012-12-19 | 江苏省南扬机械制造有限公司 | Transmission case for automatically removing backlash and cutting |
| CN103372681A (en) * | 2012-04-17 | 2013-10-30 | 东莞市晋诚机械有限公司 | CNC (computer numerical control) disc automatic angle-turning circular sawing machine |
-
2013
- 2013-11-28 CN CN201310628090.4A patent/CN103603945A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2522569B3 (en) * | 1982-03-03 | 1985-02-15 | Tostain Jacques | |
| KR200424644Y1 (en) * | 2006-06-07 | 2006-08-25 | 델타기계(주) | Backlash exclude device of board cutting circularsaw machine gear box |
| CN101799060A (en) * | 2010-03-08 | 2010-08-11 | 张家港金凯达机械有限公司 | Gear transmission device |
| CN103372681A (en) * | 2012-04-17 | 2013-10-30 | 东莞市晋诚机械有限公司 | CNC (computer numerical control) disc automatic angle-turning circular sawing machine |
| CN102825335A (en) * | 2012-09-13 | 2012-12-19 | 江苏省南扬机械制造有限公司 | Transmission case for automatically removing backlash and cutting |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014751A (en) * | 2015-06-03 | 2015-11-04 | 朱德金 | Rotating-shaft high-torsion-resistance wood cutting machine |
| CN107626975A (en) * | 2017-09-13 | 2018-01-26 | 东莞市晋诚机械有限公司 | A kind of bottom-up sawing machine in sawing direction |
| CN109048445A (en) * | 2018-10-10 | 2018-12-21 | 浙江富冈机床有限公司 | Novel circular saw head brake structure |
| CN114273719A (en) * | 2022-01-27 | 2022-04-05 | 福建恒而达新材料股份有限公司 | Circular sawing machine and machine head device thereof |
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Application publication date: 20140226 |
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